Story
The tornado that struck El Reno, Oklahoma, on May 31, 2013, defined superlatives. It was the largest twister ever recorded on Earth.
National Geographic: Inside the Mega Twister Movie Poster
National Geographic: Inside the Mega Twister Cast & Crew
| Production Company: | National Geographic |
| Country: | United States of America |
| Language: | English |
| Runtime: | 43 |
| Adult: | No |
| Genres: | Documentary |
| Release date: | 2015-11-01 |